Re: org-persist-write slowing down kill-buffer

[Ihor Radchenko]

Karthik Chikmagalur <karthikchikmagalur@gmail.com> writes:

> I've been noticing that kill-buffer blocks Emacs for a noticeable
> period when killing org buffers.  Here are elp results obtained by
> instrumenting org-persist-* and kill-buffer:
>
> | Function name                     | Call count | Elapsed time | Average 
> time |
> |-----------------------------------+------------+--------------+--------------|
> | kill-buffer                       |         38 | 2.5647546329 | 
> 0.0674935429 |
> | org-persist-write-all-buffer      |          1 |  2.562779994 |  
> 2.562779994 |
> | org-persist-write-all             |          1 |   2.56277329 |   
> 2.56277329 |
> | org-persist-write                 |          1 |  1.627834788 |  
> 1.627834788 |
> | org-persist--write-elisp-file     |          1 |  0.312172392 |  
> 0.312172392 |

> It blocks Emacs for about 3 seconds each time.  Any Org file with > 500
> lines causes this behavior.
>
> I've also attached the sampling profiler output from killing an Org
> buffer.
>
> Some facts that might be relevant:
>
> - I'm using the WIP LaTeX preview system fork of Org, but there are no
>   LaTeX previews in the Org buffers that I run these tests on.  (There
>   aren't even any LaTeX fragments.)
>
> - My org-persist-dir is 627MB in size.

What is your (length org-persist--index) ?

Also, it does not look like your `org-element-ast-map' is compiled.

-- 
Ihor Radchenko // yantar92,
Org mode contributor,
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